2019 AUDI A4 key battery

8W0012721BG

Quickaccess

ElectronicStabilizationControl
(ESC)
=>page139
Brakesystem
=>page21
Anti-lockbrakingsystem(ABS)Y
=>page24
Anti-lockbrakingsystem(ABS)¥
=>page24
Safetysystems¥
=>page23
Brakepads
=>page21
Electromechanicalparkingbrake
=>page22
Tirepressure
=>page340
Tirepressure
=>page340
Drivesystem
=>page24
MalfunctionIndicatorLamp(MIL)
v
=>page308
Enginespeedlimitation
=>page24
Engineoillevel(MIN)
=>page312
Engineoillevel(MAX)
=>page312
Engineoilsensor
=>page312
Enginewarm-uprequest
=>page313
Electricalsystem
=>page317
Tanksystem
=>page24
Washerfluidlevel
=>page25
Windshieldwipers
=>page25

Keys
=>page 78
Driver'sdoor
=>page25
Batteryinvehiclekey
=>page30
Bulbfailureindicator
=>page25
Headlightrangecontrolsystem
=>page25
Adaptivelight
=>page25
Light/rainsensor
=>page25
Activelaneassist
>page118
Audisideassist
>page126
Audipresense
=>page117
Parkingaid
=>page137
Transmission(automatictransmis-
sion)
=>page90,
Clutch(manualtransmission)
>page 23
Steeringlock
=>page 23
Enginestartsystem
=>page23
Electromechanicalsteering
=>page142
Suspensioncontrol
=>page26
Allwheeldrive/sportdifferential
=>page26
Emergencycallfunction
=>page197

Otherindicatorlights
Turnsignals
>page26>
11

Openingandclosing

—Exteriorlighting
—Rainsensor
—Memoryfunction*
—Parkingaid*
—Adaptivecruisecontrol*
—Active laneassist*
—Sideassist*
—Trafficjamassist*
—Distancewarning*
—Audipresense*
—Speedwarning*
Thestoredsettings areautomaticallyrecalled
whenyouunlock thevehicle,openthedoorsor
turnontheignition.
®Note
Protectthekeyagainsthightemperatures
anddirectsunlight.
G)Tips
— Thevehiclekeyfunctioncanbetemporarily
disruptedbyinterferencefromtransmitters
nearthevehicleworkinginthesamefre-
quencyrange(suchasamobiledeviceorra-
dioequipment).Alwayscheckifyourvehicle
islocked.
—Foranexplanationonconformitywiththe
FCCregulationsintheUnitedStatesandthe
IndustryCanadaregulations,see
=>page370.
Removingthemechanicalkey



BFV-0279

Fig.18Vehiclekey:removingthemechanicalkey
>Pressthereleasebuttons(@©fig.18andre-
movethemechanicalkeyfromthevehiclekey.
Usingthemechanicalkey,youcan:
30
—Lock/unlocktheglovecompartment.
—Lockingandunlockingthelockable*rearbench
seat>page66.
—Manuallylock orunlockthevehicle>page33.
—Mechanicallylockthedoors>page33.
—Switchthechildsafetylocksonintherear
doors>page40,fig.35.
LEDandbatteryinthevehiclekey

BFV-0280


Fig.19Vehiclekey:removingthebatteryholder

BFV-0277


Fig.20Vehiclekey(rearside):removingthebatteryholder
LEDinthevehiclekey
TheLED(@)indicatesthevehiclekeyfunction.
>Ifyoupressabuttonbriefly,theLEDblinks
once.
>Ifyoupressandholdabutton(convenience
opening/closing),theLEDblinksseveraltimes.
>IftheLEDdoesnotblink,thevehiclekeybat-
teryisdrained.Replacethebatteryinthevehi-
clekey.
Replacingthevehiclekeybattery
>Pressthereleasebuttons()>fig.19andre-
movethemechanicalkey.
>Pressthereleasebuttons(3)>fig.20while
pullingthebatteryholderoutofthevehiclekey
inthedirectionofthearrow.

8W0012721BG
Openingandclosing

> Insertthenewbatterywiththe“+”facing
down.
>Slidethebatteryholdercarefullyintothevehi-
clekey.
> Insertthemechanicalkey.
@)Forthesakeoftheenvironment
Dischargedbatteriesmustbe disposedofus-
ing
methodsthatwillnotharmtheenviron-
ment.Donotdisposeoftheminhousehold
trash.
@Tips
Replacementbatteriesforthevehiclekey
mustmeetthesamespecificationsasthe
original battery.
Unlockingandlockingbyremotecontrol

BFV-0240


Fig.21Vehiclekey:buttonprogramming
>Tounlockthevehicle,pressthe(button
>fig.21.
>Tolockthevehicle,pressthe&buttonone
time>/\.
>Tounlocktheluggagecompartmentlid,press
the >Toopentheluggagecompartmentlid,press
andholdthe >Totriggerthe alarm,pressthered[PANIC]but-
ton.
Thevehiclehornandemergencyflashers
willactivate.
>Toswitchoffthe alarm,pressthered[PANIC
buttonagain.




Ifyouunlockthevehicleand donotopenanyof
thedoors,thehood,ortheluggagecompart-
mentlidwithin45seconds,thevehiclewillauto-
maticallylockagain.Thisfeaturepreventstheve-
hiclefrombeingaccidentallyleftunlockedfora
longperiodoftime.
ThesettingsintheInfotainmentsystemdeter-
mineiftheentirevehicleoronlythedriver'sdoor
isunlockedwhenunlocking thevehicle
=>page33.

ZAWARNING
Noone,especiallychildren,shouldstayinthe
vehiclewhenitislockedfromtheoutside,be-
causethewindowscannolongerbeopened
fromtheinside>page34.Lockeddoors
makeitmoredifficultforemergencyworkers
toenterthevehicle,whichputslivesatrisk.
@Tips
—Onlyusethevehiclekeywhenyoucan see
thevehicle.
—Appliesto:vehicleswithautomatictrans-
mission:Thevehiclecanonlybelocked
whentheselectorleverisin"P".
—Donotuse theremotecontrolwhenyouare
insidethevehicle.Otherwise,youcouldun-
intentionallylockthevehicle.Ifyouthentry
toopenadoor,theanti-theftalarmwill
trigger.Ifthishappens,pressthe unlock
button&.
—Onlyusethepanicfunctioninanemergen-
cy.
Unlockingandlockingwiththe
oTaN
Appliesto:vehicleswithconveniencekey


Thedoorsandluggagecompartmentlidcanbe
unlockedandlockedwithoutusingthevehicle
key.

Baw-0148


Fig.22Doorhandle:lockingthevehicle
31

Openingandclosing

Unlockingthevehicle
> Gripthedoorhandle.Thedoorunlocksauto-
matically.
>Pullonthedoorhandletoopenthedoor.
Lockingthevehicle
>Appliesto:vehicleswithautomatictransmis-
sion:Selectthe"P"position,otherwisetheve-
hiclewillnotlock.
>Tolockthevehicle,closethedoorandtouch
thesensorinthedoorhandleonce>fig.22.Do
notholdthedoorhandlewhiledoingthis.
Youcanunlock/lockthevehicleateverydoor.The
vehiclekeycannotbemorethanapproximately
4feet(1.5m)awayfromthedoorhandle.The
functionshouldnotbeimpairedifthevehiclekey
isinyourjacketpocketorinyourbriefcase,for
example.
Ifyouholdthedoorhandlewhilelocking,this
canimpairthelockingfunction.
Thedoor cannotbeopenedforabriefperioddi-
rectlyafterlockingit.Thiswayyouhavethe op-
portunitytocheckifthedoorslockedcorrectly.
ThesettingsintheInfotainmentsystemdeter-
mineiftheentirevehicleoronlyoneofthedoors
isunlockedwhenunlockingthevehicle
=>page33.


ZAWARNING
ReadandfollowingallWARNINGS=>A\inDe-
scriptiononpage28.

@)Tips
Ifyourvehicleisleftstandingforalongperi-
odoftime,notethefollowing:
— Theenergymanagementsystemgradually
turnsoffunnecessaryconveniencefunctions
topreventthevehiclebatteryfromdraining
andtomaintainthevehicle'sabilitytostart
foraslongaspossible.Youthenmayno
longerbeabletounlockyourvehiclewith
thesensors.
32
G)Tips
Unlockingwiththeconveniencekey(keyless
access)canbedeactivatedintheInfotain-
mentsystem>page33.
Centrallockingswitch
a
Ss
2
=%a

Fig.23Driver'sdoor:centrallockingswitch
>Tolockthevehicle,pressthe@button>/\.
>Tounlockthevehicle,pressthe@button.
Whenlockingthevehiclewiththecentral locking
switch,
thefollowingapplies:
—Thedoorsandtheluggagecompartmentlid
cannotbeopenedfromtheoutsideforsecurity
reasons,suchastopreventunauthorizedopen-
ingwhilestoppedatalight.
—TheLEDinthecentral lockingswitchturnson
whenalldoorsareclosedandlocked.
—Youcanopenthedoorsindividuallyfromthein-
sidebypullingthedoorhandle.
—Intheeventofacrashwithairbagdeployment,
thedoorsunlockautomaticallytoallowaccess
tothevehicle.

ZAWARNING
— Thecentral lockingswitchalsoworkswhen
theignitionisswitchedoffandautomatical-
lylockstheentirevehiclewhenthe&button
ispressed.
—Thecentral lockingswitchisinoperative
when
thevehicleislockedfromtheoutside.
—Lockeddoorsmakeitmoredifficultfor
emergencyworkerstoenterthevehicle,
whichputslivesatrisk.Donotleaveanyone
behindinthevehicle,especiallychildren.>

8W0012721BG
Openingandclosing

—Appliesto:vehicleswithconveniencekey:Press
the compartmentlid,or
—Youpushthehandleintheluggagecompart-
mentlid,or
—Ifsomethingblockstheluggagecompartment
lidormakesitdifficultforthelidtomove.
Ifyoupressthehandleoroneofthe tons(vehicleswithconveniencekey*)now,the
luggagecompartmentlidwilleitheropenor
close,dependingonitsangle.

Z\WARNING
—Afterclosingtheluggagecompartmentlid,
makesurethatitislatched.Otherwise,the
luggagecompartmentlidcouldopensud-
denlywhendriving,whichincreasestherisk
ofanaccident.
—Paycarefulattentionwhenclosingthelug-
gage compartmentlid.Otherwise,youcould
causeseriousinjurytoyourselforothersde-
spitethepinchprotection.
—Toreducetheriskofinjuriesbypinching,al-
waysmakesurethatnooneisintheoperat-
ingareaoftheluggagecompartmentlid,in-
cludingthehingeareasandtheupperand
loweredgeoftheluggagecompartmentlid.
—Neverdrivewiththeluggagecompartment
lidajaroropen,becausepoisonousgases
canenterthevehicleinteriorandcreatethe
riskofasphyxiation.
—Ifthereisaluggagerack(suchasabicycle
rack)ontheluggagecompartmentlid,the
luggagecompartmentlidmaynotopen
completelyundercertaincircumstancesorit
couldclosebyitselfifopenduetotheextra
weight.Therefore,theopenluggagecom-
partmentlid mustbegivenadditionalsup-
portorthecargomustfirstberemoved

fromtheluggagerack.

G)Tips
— ThesettingsintheInfotainmentsystemde-
termineiftheluggagecompartmentlidcan
beopenedusingthehandle>page33.
—Thereareaudiblesignalswhenclosingthe
luggagecompartmentlidwiththevehicle
key(vehicleswithconveniencekey*)orwith
the<¥buttoninthedriver'sdoor.
—Whenthevehicleislocked,theluggage
compartmentlidcanbeunlockedseparately
bypressingthe< key.Theluggagecompartmentlidlocksau-
tomaticallywhenitisclosedagain.
—Appliesto:vehicleswithconveniencekey:
Theluggagecompartmentlidcanbeclosed
withthevehiclekeyfromadistanceupto
approximately9ft(3m).
—Theluggagecompartmentlidcan beoper-
atedmanuallyifthevehiclebatteryislow.
Itisnecessarytousemoreforcewhendoing
this.Movethelidslowlytoreducethe
amountofforceneeded.
—Whenthetrailersocketisbeingused(for
example,forabicyclerack),theluggage
compartmentlidcanbeopenedandclosed
usingthehandleorthefootmotionactiva-
tion(vehicleswithconveniencekey*).
—Incaseofanemergencyorafaultyhandle,
theluggagecompartmentlidcan beopened
manuallyfromtheinside>page38.
Openingandclosingtheluggage
compartmentlidwithfootmotion(kicking
movement)
Appliesto:vehicleswithsensor-controlledluggagecompart-
mentlid


B4G-0608

Fig.29Rearofthevehicle:footmovement
Appliesto:sedan
Youcanopentheluggagecompartmentlidwith
footmotionactivation.
37

>

8W0012721BG
Stowingandusing

—Toreducetheriskofdamagetothevehicle
electricalsystem,neverattempttocharge
thevehiclebatterybyconnectingaccesso-
riesthatprovidepowertothepowersour-
ces.
—Donotconnectanydevicewhosenetwork
class(voltage)doesnotmatchthenetwork
classdesignedforthesocket.
Storage
(etymiredtel-Te
5 e
=g8


Fig.66Rearcenterarmrest:cupholders*
Yourvehiclehascupholdersinthefrontcenter
consoleandinthecenterrearseat”.
Cupholdersintherearcenterarmrest*
> Foldthecenterarmrestdownward.
>Toopenthecupholders,pullthetopcoveron
thecupholdersforward>fig.66.
>»Setyourbeverageintheholder.
>Toclosethecupholder,foldthecoverbackun-
tilitclicksintoplace.

/\WARNING
—Donot putanyhotbeveragesinthecup
holderwhilethevehicleismoving.Hotbev-
eragescouldspill,whichincreasestherisk
ofinjury.
—Donotuseanybreakablebeveragecontain-
ers(forexample,madeoutofglassorpor-
celain).Youcouldbeinjuredbytheminthe
eventofanaccident.
@)Note
Beveragecontainersinthecupholdersshould
alwayshavealid.Otherwise,theliquidinside

couldspillandcausedamagetovehicle
equipment.
Cooledglovecompartment
Appliesto:vehicleswithcooledglovecompartment


Fig.67Glovecompartment:switchingcoolingmode
on/off
>Turn theknob(@)counter-clockwisetoswitch
thecoolingon.
>Turn theknob(@)clockwisetoswitchthecool-
ingoff.Thesymbolsontheknobmustappear
astheydoin>fig.67.
Theglovecompartmentcoolingmodeonlyfunc-
tionswhenthevehicleA/Csystemisswitchedon.
Iftheheatingisswitchedon,switchingtheglove
compartmentcoolingmodeoffisrecommended.
Additionalstoragecompartments
Youwillfindavarietyofstoragecompartments
andholdersatvariouslocationsinthevehicle.
—Glovecompartment:theglovecompartment
can belocked*usingthemechanicalkey
=page29,Keyset
—Inthedoortrimpanels
—Storagecompartmentunderthefrontcenter
armrest
—Storagecompartment*intherearcenterarm-
rest
—Storagecompartment*underthelightswitch
—Garmenthooks abovethereardoors*
—Nets*onthebackrestsofthefrontseats
—Nets*ontheleft/rightluggagecompartment
trimpanel
—Tie-downs*ontheleft/rightluggagecompart-
menttrimpanel
—Baghooks*intheluggagecompartment
63

Driving

Itmaynotbepossibletostarttheengineunder
certaincircumstances,forexample,ifthebattery
inthevehiclekeyisdrained,ifinterferenceisaf-
fectingthekey,orifthereisasystemmalfunc-
tion.
>Holdthevehiclekeyverticallyinthelocationin-
dicated?)©fig.88.
Appliesto:vehicleswithmanualtransmission
>Presstheclutchpedal.
Appliesto:vehicleswithautomatictransmission
>Pressthebrakepedal.

>Pressthe [STARTENGINESTOP]button.The
enginewill start.
>DrivetoanauthorizedAudidealerorauthor-
izedAudiServiceFacilityimmediatelytohave
themalfunctioncorrected.

Start/Stopsystem
Appliesto:vehicleswith Start/Stopsystem
TheStart/Stopsystemcanhelpincreasefuel
economyandreduceCO2emissions.
InStart/Stopmode,theengineshutsoffauto-
maticallywhenstopped,forexampleatatraffic
light.Theignitionandimportantassistsystems
suchaspowersteering andthebrakeboosterwill
remainavailableduringtheStopphase.Theen-
ginewillrestartautomaticallywhenneeded.
TheStart/Stopsystemisautomaticallyactivated
oncetheignitionisswitchedon.
Basicrequirements
—Thedriver'sdoorand hoodmustbeclosed.
—Appliesto:automatictransmission:Theselec-
torlevermustbeengagedinthe“P”,“N”,or
“D”position.
—Appliesto:manualtransmission:Thegearshift
levermustbeintheneutralposition.
—Thesteeringwheelmustnot be turnedfarinei-
therdirection.

D_Incertaincountries.
80
—Thevehiclemusthavedrivenfasterthan2mph
(3km/h)sincethelasttimeitstopped.
—Atrailermustnot behitchedtothevehicle.
(!)Note
AlwaysswitchtheStart/Stopsystemoffwhen
drivingthroughwater>page81.
G)Tips
— Depending onthedrivingsituation,theen-
ginemayalreadystopwhencoastingbefore
the
vehiclehascometoacompletestop)).
—Appliesto:automatictransmission:Ifyou
selectthe “D”selectorleverpositionafter
shiftingintoreverse,thevehiclemustbe
drivenfasterthan6mph(10km/h)inorder
fortheStart/Stopsystemtobecomeactive
again.Thismakesitpossibletomaneuver
withoutstopping theengine.
Stopping/startingtheengine
Appliesto:vehicleswithStart/Stopsystem
Appliesto:vehicleswithmanualtransmission
>Whenthevehicleisstationary,shifttoneutral
andreleasetheclutch pedal.Theenginewill
switchoff.The@indicatorlightappearsinthe
informationlineatthebottomoftheinstru-
mentclusterdisplay.Theneedleinthetachom-
eteralsomovesintotheREADYposition.
>Theenginewillrestartifyoupresstheclutch
pedal.Theindicatorlightturnsoff.
Appliesto:vehicleswithautomatictransmission
>Pressandholdthebrakepedaluntilthevehicle
hasstopped.Theoindicatorlightappearsin
theinstrumentclusteroncetheenginestops
automatically.
>Theenginestartsagainwhenyouremoveyour
footfromthebrakepedal.Theindicatorlight
turnsoff.
Gi)Tips
—PressthebrakepedalduringaStopphase
tokeepthevehiclefromrolling.

Audiconnect

AboutAudiconnect
Hereyouwillfindlegalinformationregarding
AudiconnectInfotainmentusage.
Login
See>page187.
Connectionmanager
See>page241.
Licensesubscription
Thevalidityandexpirationdateofyourlicenses
aredisplayed.
Refresh
ThecontentoftheselectedAudiconnectInfo-
tainmentserviceortheentireAudiconnectInfo-
tainmentlistisupdated.
Dataprivacy
Requirement:theignitionmustbe switchedon.
Location,vehicle,andpersonaldataaretransmit-
tedwhenusingAudiconnectservices.
Allowingsendingofdata
—SelectandconfirmActivatedataconnection.
Thedatamoduleforthe useofallAudiconnect
serviceswillbeactive.
Restrictingsendingofdata
—SelectandconfirmActivateprivacy.Thedata
connectionislimitedordeactivateddepending
ontheequipment.ThemajorityofAudiconnect
serviceswillnotbeavailable.
Thefollowinginterfacesarenotaffectedbythis
setting:Bluetooth,BluetoothLowEnergy(BLE),
Wi-Ficonnection,Audismartphoneinterface
(ASI),NearFieldCommunication(NFC),charging
communication(e-tron),ElectronicTollCollect
(ETC),ifequipped.
@)Note
Youareresponsibleforallprecautionstaken
fordataprotection,anti-virusprotection,and
protectionagainstlossofdataon mobilede-

))Dependsonthecountryand equipment. Theseservices
are availableforalimitedtime.
190
vicesthatareusedtoaccesstheInternet
throughtheWi-Fihotspot.
(i)Tips
—Ifthetransmissionofdataislimited,data
willstillbetransmittedtoverifysubscrip-
tions.
—Ifthetransmissionofdataislimited,itwill
havethefollowingeffectsontheexchange
ofdataforAudiconnectservicesandemer-
gencycalls,ifequipped:
—Theemergencycallfunctionwillremain
availablewithoutrestrictionsandwillcon-
tinuetotransmitdata.
—Ifanonlineroadsideassistancecallisini-
tiated,nodatawillbetransmitted,buta
callwillbemade.
—IftheGeofencingAlert,SpeedAlert,
and/orValetAlertserviceshavebeenacti-
vatedbythekeyuser,thentheywillre-
mainavailablewithoutrestrictionsand
continuetotransmitdata.
Audiconnectvehicle
controlservices
Appliesto:vehicleswithAudiconnectvehiclecontrol
WithAudiconnectvehiclecontrolservices)),you
canutilizevariousservicesusingthemyAudiapp
oronlineatwww.audiusa.com/myaudi.
(i)Tips
—Accessingspecificdataorcontrollingfunc-
tionsremotelydependsonthechargelevel
ofthevehiclebattery.Therefore,these
functionsonlyhavelimitedavailabilityafter
switchingofftheignition.
—AneSIMcardestablishestheInternetcon-
nectionforAudiconnectvehiclecontrol
services.Thecostsforthisareincludedin
thepriceofAudiconnectvehiclecontrol
services.Thecellphonenetwork,forexam-
ple,mustbeavailabletousetheseservices.